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In principle, yes. I don't see anything in this construction that precludes using the passive.
On the other hand, here you are using the aorist subjunctive, which gives a meaning of punctuality, i.e. as if the being loved happens at a single point in time, while the original had the present subjunctive (i.e. the simple present after να). To make a comparable passive contruction, you should use the present subjunctive as well, i.e.:
Τι γλυκό ν' αγαπιέσαι. |