Can you label these chemicals as Ionic and Covalent?

Question

Can anyne please tell which of the following are ionic and which are covalent?

salicylic Acid, C6H4(OH)CO2H

Sodium Sulfate, Na2SO4

Sodium Hydroxide, NaOH

Copper sulfate, CuSO4

Sodium Carbonate, Na2CO3

Hydrogen sulfate

Calcium Hydroxide, Ca(OH)2

Lead Nitrate, PbNO3

Hydrogen nitrate, HNO3

Thanks

Answer 1

Yes, I can.

Answer 2

salicyclic acid,hydrogen sulfate and hydrogen nitrate are covalent,the rest are ionic.