No. Caustic soda (sodium hydroxide) in any concentration is a base, though it is just as dangerous as a strong acid.
In separately drained chemical storage chambers or -containers. Preferably outside.
1 mole to 1 mole NaOH
the result is a little bit like putting those 1980's moon dust crystals in your mouth, you know? the ones that pop and crackle and tingle on your tongue. I accidentally mixed caustic soda and...
Carbonic acid and sometimes sophomoric acid.