Q: a reaction between calcium chloride and sodium hydroxide takes place what is the observation?
- ok, so from the reaction calcium hydroxide and sodium chloride forms.
according to solubility rules OH ions is slightly with Ca, Sr, and Ba.
and salts containing Cl- ions are generally soluble.
My ans to this question was: a colourless solution is produced.
on the markscheme: a white precipitate is formed.
can someone explain this to me please