When you've decided what mobo you're gonna get, check the QVL and buy a matched kit on the list! Simples. You're being a little to vague!
PS Don't presume anything, specially with Ryzen and ram compatibility
what a stupid answer don't answer it if don't have manners to do it, i don't know what exactly have to ask and even less pressuming because of the lack of knowledge on the matter and english being a 2nd very VAGUE language,thanks for nothing.