Can stainless steel turn black if it gets wet?

I hope this isn’t a stupid question. I just bought a cross and chain. The cross and chain are stainless steel. If I get them wet will they turn black?
For those who did not understand what I was asking-I received it today. It has NOT gotten wet yet. I’m asking because I might forget one of these days to take it off before I get in the shower.

Not if they are really and truly made out of stainless steel. Stainless is real good about living up to it’s name so you should be perfectly safe, unless there are chemicals involved and even then, few really mess with it. Enjoy your new jewelry.