The internet is awash with questions like, “can I do lino printing with oil paint?” and, “why not?”, and all the bargaining in between, because to the uninitiated, all coloured pigments look as if they’ll do the same things.
Most of the questions I get from my friends about art materials have to do with whether they can just use the paint they’ve already got as a substitute for whatever they want to try. Sorry, but no.