Question

What can be said about this equation? 2Na(s) + Cl2(g) 2NaCl(s)

Answer 1

2 sodium plus 2 chlorine equal sodium chloride?

Answer 2

If you are looking for a specific example, you will need to specify what things you have been taught to say about chemical equations.

Some examples:
produce gas or not
endothermic or exothermic
possible or impossible
redox equation or not

There's just too many possibilities to answer all of them with no specification.