Can you paint oil paint over enamel paint?

yes..paint KILZ on first

yes, as long as it's latex/latex or alkalyd/alkalyd.

You can but it would not make for a durable outcome.

No But you can put oil based over water based paints.

yes. oil over latex. But if you want to do the reverse, you must either use oil primer first, then latex finish, or use a "liquid sander"... which more or less breaks down the oil paint, allowing the...