If it's the better wraith spire cooler, then you can overclock a BIT. But the stock coolers are not made for much bigger overclocking.
What do you want to overclock for?
As for if it will overclock well, every chip and system is different, the only real way you'll find out is by trying. But first you'd need to know WHY you want to overclock.
As rgd stated, technically the safest is to not overclock. But there is no general standard of overclocking, only a standard process for overclocking, which is to take it step by step and test for instability regularly.
But first, you'd need to know WHY you want to overclock.