"What I would like to know is if Monokote will stick to a painted surface, "

It will, but the problem that you will have will be air trapped between the paint, and the Monokote, and perhaps in zillions of little bubbles that you cannot puncture with a pin.

" What paints, or coverings have you used to do something like this"

I used Chrome Monokote, scrubbed with a scotchbrite pad, and applied in panels in accordance with some Squadron publication I had.

Les

p.s. The control surfaces look funny, because, like the real one, they were fabric covered.