Laquer over rattle Can Primer?

I *think* Rustoleum's rusty metal primer and some of their other primers are an alkyd. The laquer may not lift that once fully cured.
Do a test spot.
If it works, maybe get a nicer finish by doing the rattle can now, but before finish coat hit it with a sandable primer. Use that to get a nice surface (sand as needed) before the color coat.