The Norwegian club side has decided to give the Flying Antelopes' striker a three-year contract after he impressed in the two weeks trials
Ofoedu effectively concluded the trials on Thursday and the club is happy with his output during the trials and want to reward him with a contract.
Rangers media officer Foster Chime told Goal.com that the former UNTH player did very well during the trials and the Enugu club is waiting for officials of Rosenborg to come for his clearance.
"He did very well and they have called us that they are coming for his clearance.
"They have also started working on his work permit and we are happy for us because he has been a good ambassador for the team.
"It shows there are potentials in him and he will carry the good name of Rangers to Norway and tell everyone that there are good players in Nigeria," Chime said.
Ofoedu scored 11 goals in the Nigeria Premier League and is a member of the Under-20 national team.