That's normal to think of that, it might be the hormones making you curious or you might bi or gay, which are all perfectly natural.
As for you wanting to ask..
You could ask it and if it blows up in your face just say you were kidding.
Truth or dare, as someone mentioned earlier, might help find out if she's single and stuff.
And for god's sake, DO NOT USE ALCOHOL
I'm sorry for looking in the thread, but I'm just trying to help