I think it could work out if introduced together. The larger the tank they better off you would be, 150 is borderline for a "school" of convicts, but they are not aggressive my Tang standards.
This description comes off a rival site.
The Convict Surgeonfish is one of the more interesting in coloration. Though it’s white and black striped appearance may seem rather plain, the coloration this fish takes on under good lighting is quite striking. May sometimes tend to be a little aggressive with other Convict Surgeonfish, can be kept in groups providing they are all added simultaneously. A school of Convict Surgeonfish makes for a great display in a larger home aquarium or public facility. Is likely to be harassed and bullied by other tangs and is best kept with other peaceful Acanthurids such as Naso and Sailfin Tangs. Beneficial in helping pick at hair algae, the Convict Surgeon will spend their day picking at rockwork and occasionally sand in search for hair algae to eat.