Very broad question,every kit is different according to the manufacturer,who it was made for,and so forth.
Trumpeter makes some nice ships,as does Tamiya.Dragon kits are somewhat complicated and instructions not clear.
If you are a beginner,and want to do battleships,I would recommend some of the older Tamiya kits,like the original Yamato,Bismarck,and Prince of Wales in 1/350 or 1/700
1/700 is small but if your eyes and fingers are nimble a 1/700 battleship or carrier isn't too bad.
I covered a lot,I'm sure you will get more responses,you may need to get more specific