What kind of chemical reaction is 3 CuCl2●2H2O(aq) + 2 Al(s) -----> 3 Cu(s) + 2AlCl3(aq) + 6 H2O(l)

Question

And how do you know this?

Answer 1

It is a single displacement/replacement reaction.

The way you know this is because you have ONE item (Al) displacing or replacing another single item (Cu).

It has the form of AB + C ==> A + CB.