Correct gauge of wire to power 2 ceiling lightnings
1.5 wire needs to be protected by a 16 Amp (or weaker) breaker. You are fine on that front.

Your total wattage will be 10*40W*2 = 800W; on a 220V line this will mean 800W / 220V = 3.6 Amps. So overload is not an issue assuming there is nothing else on that breaker. (If there is then add the wattage to the 800W and divide again)

You should also extend the ground wire if there is one, this is a green/yellow wire and should be connected to the ground connection of the chandelier.