Kindly reference the following link(s):
Correct Dua Qunoot in Witr (Allahumma Inna nastainuka wanastagh firuka...)
Is Qunoot before or after Ruku?
How to raise the hands in Qunoot while praying Witr?
Qunoot in Fajr, what to do when Imam raises his hands
Ruling regarding qunoot in witr prayer
Qunoot in Witr: Can we recite our own Duas, in our own language?
What should the followers say when the imam praises Allah in qunoot?
Qunoot during Calamities (Qunoot Nazilah)