Forum:Jade knight question

hi, i'm italian, i don't speak english xDxDxD

i have Jade knight (http://yugioh.wikia.com/wiki/Jade_Knight) and another machine monster with 1200 atk or less. if i active the effect of the other monster, my opponent can active divine wrath???? if he can, my machine monster is destroyed????? if it isn't destroyed, its effect is negated????

i hope you understand xDxDxD