If an acquaintance is seeking a person with years of experience with whom to start a business, one may not recommend someone who appears to be experienced but, in fact, is not — unless the acquaintance is told this. This holds true even if the person possesses natural talent which seems to compensate for his lack of experience.
Taken From The Sefer Chofetz Chaim,
A Lesson A Day/
Day 82, Page 214