Want to run Hackintosh and Windows 10 on z390i + 1080 build

Hey there,

I've been looking around and I want to just get some questions answered that I cannot
seem to get answers to anywhere. Although I have found guides on on how to install MacOS High Sierra on
a PC, I want to have both my current Windows 10 set-up + a hackintosh.

I should prephase this by saying that this would be my first hackintosh installation.
Here's the build I currently run:

• intel i5 9600k
• Asus STRIX z390i mini-itx
• Noctua L12, bottom fan only 92mm
• EVGA GTX 1080 SC
• 1TB Samsung SSD (main Windows drive + frequent games and frequent programs)
• 500GB Samsung SSD (used for storage and some big games, would use this drive for MacOS)

1. How do I go about installing MacOS on a 500GB Samsung SSD and having my current 1TB Samsung SSD still running Windows 10 + games? Do I simply have to unplug the sata connector and install hackintosh into the 500GB SSD.
2. Mojave doesn't work with an EVGA GTX 1080 SC, correct? I'd have to install High Sierra, I suppose (based on what I've read).
3. Are there any compatibility issues I should be aware of with 9600k + z390i?

I don't want to have to completely restore my Windows 10 build on the 1TB ssd. Hence why I'd use the 500GB ssd.

Thanks for the help!

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PS - why do I want a hackintosh? Uhh... I have a jailbroken iphone X and airpods. I use my mother's macbook for some basic mac programs, and I'd rather have everything in 1 computer upstairs. Plus, I think it'd be really cool to have iPhone iMessages running on my Hackintosh + the whole "eco-system."