After application, Spray water on it using a spray bottle or water hose.
What they call "oil base paint" is really called "alkyd base paint." So yes, you can do that.
Don't mix them, your inviting trouble
Yes, you can. You can always paint over with same paint.
Yes, you can.
Yes. Clean and degloss the oil based paint, apply an oil based primer, then apply the water based paint.
Yes, you can
can i use water base paint over oil base paint
yes
Yes, you can, the base is similar.
Yes, oil based paint is very versatile and can be painted over many painted surfaces, including those previously coated with latex paint, as long as the surface is dull and clean.
Yes, you can,
No, you can't .