Will attempting to boot a 8th gen CPU in a 200 series mobo do damage?

I purchased an i7-8700k and completely spaced that you need a 300 series motherboard. I attempted to boot it in my ASUS-Z270-A. Nothing happened, no lights or any sign of power going through. After that, I realized my mistake, and installed my old processor. The motherboard works fine still, and I plan on buying a new motherboard, but will there be any damage to my 8700k? I don’t want to go out and buy a new motherboard if my CPU is shot. Does anyone know for sure if it could be damaged?