The Super Eagles and the Indomitable Lions will meet in a Russia 2018 World Cup qualification match August with the return clash four days later.
Onazi is confident his side will over power the African champions on both encounter.
“I believe Cameroon can never beat us,” said Onazi
“Not just Cameroon, but any other team.
“We will face them just as we approached our first two World Cup qualifiers. We are looking forward to the games.
“We wish to congratulate Cameroon for their AFCON success, they have done very well.
“But that notwithstanding we are also working on our own. All our players are doing well all over Europe and as a team we are doing very well.
“We wait for them and we will see what will see what’s going to happen as I believe so much in our team.”