Wa `alaykum As-Salamu wa Rahmatullahi wa Barakatuh

May Allah bless his soul and shower him with mercy, Ameen.

Yes, by the will of Allah he will in Heaven insha Allah for all kids under the age of puberty are exempted from liability on deeds. In some narrations that kids who died under the age of puberty when asked to enter Heaven they will ask that they are accompanied by their parents and Allah and out of His Mercy will grant them that wish.

 

Almighty Allah knows best.