No, oil needs to penetrate the surface and the latex stain will inhibit that penetration.
No because latex paint will no stick to the oil stain. unless you sand the surface first then pain it
Latex.
Yes, but you can not put latex over oil without a primer coat between.
Yes, you can.
Not really. Stain needs to absorb in to a wooden surface. If the surface is covered with anything it will reject the oil that carries that stain colour. It will dry against the surface but because its not fully adhered it will come off
Most stains, be they latex or oil based are transparent or semi-transparent, using a primer under it would eliminate the possibility of seeing the wood beneath the stain (which is usually why stain is used).A primer is used over oil based paint when you want to switch over to use latex based paint on the same surface.
no. Latex paint is flexible and remains so after curing. Alkyds dry to a solid, non-flexible surface, causing it to usually crack when put over a latex
Just paint it on if the latex is adhering well.
Not directly. You will need to use a primer made to adhere to oil and will accept a latex topcoat.
You should never paint a deck, the paint will peel (unless you live in a very arid climate I guess. The deck may be stained, you can put either oil or latex stain over old oil stain.
You can not put oil paint over latex paint. Oil is a rigid coating and latex is a flexible coating. When you put a rigid coating over something that is flexible the rigid coating cracks off.
Yes, you can put polyurethane paint over eggshell in latex or eggshell in oil.