INSTRUCTOR WITH STUDENT PLT ON NIGHT TRAINING FLT PRACTICING TOUCH AND GO PROC SIGHTS A CITATION ON APCH OPPOSITE DIRECTION. AT 150 FT AGL THEY ARE REQUIRED TO MAKE A STEEP TURN TO AVOID THE TFC.

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ON A NIGHT VFR FLT; I WAS INSTRUCTING MY STUDENT ON NIGHT OPS AND WE WERE DOING TOUCH AND GOES FOR RWY 32; WHICH ALL ACFT HAD BEEN USING. WE ANNOUNCED EVERY POS IN THE TFC PATTERN. UPON TURNING FINAL APCH; I NOTICED LIGHTS OF ANOTHER ACFT APCHING THE ARPT. WE ANNOUNCED OUR INTENTIONS; BUT NEVER HEARD A REPLY FROM THE OTHER ACFT. WE HAD NO IDEA WHAT THEIR INTENTIONS WERE. UPON DEPARTING RWY 32 ON THE 'GO' OF OUR TOUCH AND GO; WE WERE AIRBORNE AND THE OTHER ACFT BEGAN APCHING US FOR A STRAIGHT IN TO RWY 14. THIS ACFT; WE LATER FOUND OUT; WAS A CESSNA CITATION. WE HAD TO AVOID THE INBOUND ACFT FOR RWY 14; WHILE WE HAD ALREADY DEPARTED RWY 32; BY MAKING A STEEP TURN 150 FT ABOVE THE GND. WE CONTINUED WITH THE LESSON; AND THE CITATION LANDED; DROPPED OFF PAX AND TAXIED OUT TO RWY 32. WE NEVER HEARD A SINGLE RADIO CALL FROM THIS ACFT THE ENTIRE TIME WE WERE IN THE TFC PATTERN. OUR SAFETY WAS JEOPARDIZED AND I FEEL THE ACFT HAD NO CONCERN FOR FOLLOWING THE PROPER PROCS. LARGER ACFT MAY NEED TO REVIEW THE PROPER PROCS FOR OPERATING AT AN ARPT AFTER THE TWR HAS CLOSED. THE CITATION WAS VERY UNPROFESSIONAL AND UNSAFE THAT NIGHT.